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1.) A schoolteacher is concerned that her students watch more TV than the average American child....

1.) A schoolteacher is concerned that her students watch more TV than the average American child. She reads that according to the American Academy of Pediatrics, the average American child in the population watches µ = 4 hours of TV per day. She records the number of hours of TV each of her six students watches per day. The times (in hours) is presented below. Times: 6.2, 2.5, 5.5, 2.8, 4.8, 4.6 a.) What are your degrees of freedom and critical value(s) given an α = .01 level?

b.) Calculate your test statistic. Round your answer to 2 decimal places.

c.) What is the estimated effect size in this study in terms of Cohen’s d?

2.) What is the estimated standard error for a sample of n = 9 scores with SS = 72?

Please answer both!

Math   Statistics-And-Probability   
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